Catchable fatal error: Argument 1 passed to Zend_Controller_Front::registerPlugin() must be an instance of Zend_Controller_Plugin_Abstract, instance of Omeka_Core given, called in /home/sunyoneonta/cgpcommunitystories.org/index.php on line 22 and defined in /home/sunyoneonta/cgpcommunitystories.org/application/libraries/Zend/Controller/Front.php on line 731